The Merman’s Mark

In a nation ruled by men, Lady Imaan has fought the odds and secured for herself the highest political position in the land. But when an unlikely turn of events devastates her people and destroys her reputation, she finds herself embroiled in a conspiracy that may spell the end of the humans forever.

https://www.amazon.com/Mermans-Mark-Tara-Omar/dp/0996565000/ref=sr_1_1?ie=UTF8&qid=1438975805&sr=8-1&keywords=the+merman%27s+mark

Excerpt

A battle rages on the beachfront. The chance for victory is fading fast.